000 ABNT20 KNHC 010553 TWOAT TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT TUE OCT 1 2013 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM JERRY...LOCATED OVER THE CENTRAL ATLANTIC. SHOWER AND THUNDERSTORM ACTIVITY HAS INCREASED AND BECOME MORE CONCENTRATED NEAR THE CENTER OF A LARGE LOW PRESSURE SYSTEM THAT IS LOCATED ABOUT 120 MILES EAST OF THE NICARAGUA-HONDURAS BORDER. SOME GRADUAL DEVELOPMENT OF THIS LOW IS POSSIBLE DURING THE NEXT COUPLE OF DAYS WHILE IT MOVES NORTHWESTWARD AT AROUND 10 MPH...AND THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. UPPER-LEVEL WINDS ARE EXPECTED TO BE MARGINALLY CONDUCIVE FOR ADDITIONAL DEVELOPMENT WHEN THE DISTURBANCE MOVES OVER THE NORTHWESTERN CARIBBEAN SEA AND THE SOUTHERN GULF OF MEXICO LATER THIS WEEK AND THE SYSTEM HAS A MEDIUM CHANCE...50 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 5 DAYS. LOCALLY HEAVY RAINFALL AND GUSTY WINDS WILL CONTINUE OVER PORTIONS OF JAMAICA AND EASTERN CUBA TODAY. THESE RAINS WILL SPREAD WESTWARD ACROSS THE REST OF CUBA AND THE CAYMAN ISLANDS TONIGHT AND WEDNESDAY. && FIVE-DAY FORMATION PROBABILITIES ARE EXPERIMENTAL IN 2013. COMMENTS ON THE EXPERIMENTAL FORECASTS CAN BE PROVIDED AT... HTTP://WWW.NWS.NOAA.GOV/SURVEY/NWS-SURVEY.PHP?CODE=ETWO $$ FORECASTER STEWART